server: fix bug in converting/storing clat percentiles

It helps when you read the source values, instead of storing and
converting the destinations values only.

Signed-off-by: Jens Axboe <axboe@kernel.dk>
diff --git a/server.c b/server.c
index 2c20e37..dcce37e 100644
--- a/server.c
+++ b/server.c
@@ -671,9 +671,10 @@
 	p.ts.clat_percentiles	= cpu_to_le64(ts->clat_percentiles);
 
 	for (i = 0; i < FIO_IO_U_LIST_MAX_LEN; i++) {
-		fio_fp64_t *fp = &p.ts.percentile_list[i];
+		fio_fp64_t *src = &ts->percentile_list[i];
+		fio_fp64_t *dst = &p.ts.percentile_list[i];
 
-		fp->u.i = __cpu_to_le64(fio_double_to_uint64(fp->u.f));
+		dst->u.i = __cpu_to_le64(fio_double_to_uint64(src->u.f));
 	}
 
 	for (i = 0; i < FIO_IO_U_MAP_NR; i++) {